Integrated Stratigraphy of Triassic and Jurassic Formations in the Central Oman Mountains: A Synopsis

Schlaich, Markus; Obermaier, Michael; Bendias, Daniel; Aigner, Thomas

Abstract

The Triassic Mahil Formation and the Lower Jurassic Lower Mafraq Member are part of the AP6 (Arabian Plate) tectonostratigraphic mega-sequence. The overlying Mid- to Upper Jurassic Upper Mafraq Member, Dhruma, Tuwaiq Mountain, Hanifa and Jubaila formations form the AP7 mega-sequence. All formations were studied in outcrops and in borehole cores and cuttings from the subsurface of Oman. Biostratigraphic and chemostratigraphic analyses were carried out in order to determine the age of each formation and to identify major unconformities. Biostratigraphic analyses for the Triassic Mahil Formation revealed an Olenekian to Early Anisian to Carnian age.

This paper expands on the sequence stratigraphic interpretations that have been established for each individual interval from the Lower Triassic to the Upper Jurassic by Pöppelreiter et al. (2011), Obermaier et al. (2012), Bendias and Aigner (2015), Bendias (2016), Schlaich (2016) and Schlaich and Aigner (2017). It aims to integrate these previous studies in a consistent sequence-stratigraphic framework based on observations in outcrops of the Central Oman Mountains.

Citation

Schlaich, M., Obermaier, M., Bendias, D., & Aigner, T. (2017). Integrated Stratigraphy of Triassic and Jurassic Formations in the Central Oman Mountains: A Synopsis. In M. Montenari (Ed.), Stratigraphy & Timescales (411-436). Elsevier. https://doi.org/10.1016/bs.sats.2017.07.004

• Online Publication Date: Sep 22, 2017
• Publication Date: 2017
• Deposit Date: Jun 7, 2023
• Publisher: Elsevier
• Pages: 411-436
• Series Title: Advances in Sequence Stratigraphy
• Series ISSN: 2468-5178
• Book Title: Stratigraphy & Timescales
• Chapter Number: 9
• ISBN: 978-0-12-813077-3
• DOI: https://doi.org/10.1016/bs.sats.2017.07.004